Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
[firefly-linux-kernel-4.4.55.git] / Makefile
index df81a4c34a22df6ba83dd3d1738e870333c42bc4..4231023c0b80429ff4e44f315eb099743d4d043a 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -688,6 +688,9 @@ KBUILD_CFLAGS   += $(call cc-option,-Werror=implicit-int)
 # require functions to have arguments in prototypes, not empty 'int foo()'
 KBUILD_CFLAGS   += $(call cc-option,-Werror=strict-prototypes)
 
+# Prohibit date/time macros, which would make the build non-deterministic
+KBUILD_CFLAGS   += $(call cc-option,-Werror=date-time)
+
 # use the deterministic mode of AR if available
 KBUILD_ARFLAGS := $(call ar-option,D)